Google is building a new audio-only mode for cars apps ahead of debuting support for video apps on Android Auto.

Few weekends send more people on long car journeys than Memorial Day Weekend, with AAA estimating as many as 39 million people hitting the road this year.

"Our joints produce synovial fluid, it's a natural lubricant, so as we move our joints they produce this lubricant and we want to go through these different movements to extend ranges of motion ...